# Q89434340

> planetary nebula

**Wikidata**: [Q89434340](https://www.wikidata.org/wiki/Q89434340)  
**Source**: https://4ort.xyz/entity/q89434340


## References

1. SIMBAD
2. Weak emission line [WELS] central stars of planetary nebulae are [WC]-PG 1159 stars
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale